I am a big fan of Suikoden 3 and 5, those being the only I have played, so I was excited for this and the 1 and 2 remaster. After having played 12 hours of the game I can say that it is pretty good. But ultimately I decided not to continue. Here are my thoughts and reasons.
Starting with the graphics, which is something I don't typically mention in reviews, the art seems all over the place. Some things are pixelized and some are not and that looks very out of place to me. The voice acting isn't as anime as some jrpgs (I'm looking at you xenoblade) but it's not great either. Some of the dialogue and certain voice actors are good and got me to laugh.

The combat is...well, there is an auto-battle button and it does a lot of heavy lifting. In an area, once you get appropriately leveled and know what to expect from certain enemies you just turn that bad boy on. There are random encounters, which in some complicated maps makes exploring feel more punishing than rewarding. For example there is a puzzle trial area that is pretty big and there still random encounters. Resources can be VERY precious because of this. The combat is very basic though. What I really dislike is that you need to choose everybody's action before any actions can take place. This causes some irritating situations like, one character misses an attack, but your follow up character is attacking another enemy cuz you expected the previous enemy to already be dead. Or, you want to resurrect a character and then heal that character however you literally cannot do that because you cannot select to heal a member that is KOd.

Some boss fights have gimmicks. They are called gimmicks... The game calls them gimmicks. You select an action prompt that says "gimmick"... I am not shitting you. Idk how interesting they get later in the game but the two that I did were just ok. For instance, there is a lever and if the lever ends on your side of the battlefield rocks will drop on you.
Another annoyance I had with the gameplay is that there is a turn order outline at the top of the screen (I like that) but the order in which you select actions is based on the order of your party. What often happened to me was my big bruiser was in the front line so I picked his action 2nd but in the actual turn order his action goes last. There is no way to get around this. This is just an artificial "complexity" of the battle system. In most fights this doesn't matter so it is a trivial matter.

NOW. Let's get to my favorite part about games. Story, World, and characters. The story theoretically is something I should enjoy. Nations, politics, war, backstabbing. There are a few reasons I don't enjoy it. First, it's the typical trope that everybody for some reason is appointing you- an early twenties newbie- with all the responsibilities of the world. Everybody says your capable and you've got talent but... based on what? What did my character do to give you this impression. Second, why is everybody so god dam lighthearted? We are at war people! Villages have burned, cities taken over. Presumably many people have died. Yet, here we are as jolly as can be. It seems very low stakes for a story about a war to maintain your freedom against an empire. Third, there is no story character I really like besides Ymir but he is not a driver of story. Just a guy who will be around to snark. Also, the reason I like him is because he patronizes me for being "the wonder boy" or something like that.

So I decided to drop it. Kinda bummed, but hey. Now I can spend time doing something else.